<html>
<head>
    <title>第一个 JSP 程序</title>
</head>
<body>
<%
    out.println("Hello World！");
%>

<h1>欢迎登陆</h1>

<form action="/LoginCon/loginUser">
    <input type="text" name="username"> <br>
    <input type="password" name="password"> <br>
    <input type="submit" value="提交">
</form>
</body>
</html>